Originally Posted by mapleridge
I am actually thinking of using another set of stock mid pipes with some magnaflow high flow cats just so I don't have the smell.
i was actually just thinking about the same thing.. too bad there's so little dyno info onour so idk if for me it would be worth it to switch to high flow cats further downstream
2007 TiAg 328xi: AFE intake, header back exhaust, 335xi Brakes, H&R RSB, H&R Sport, Billy Sports.. Supercharger coming 08/2015... BBS SR 17x8 with Hankook V12 235/45/17
1985 Gazelle Beige 325e: Poly bushings, e24 3.25 LSD, Half an interior, Shifter machined by me, some other goodies. My "Racecar"...Falken Azenis RTK615K 195/55/14